Download or read book Husbandry and Dietary Effects on Sturgeon Acipenser Transmontanus Farmed for Caviar written by Yue Zhang and published by . This book was released on 2010 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Siberian Sturgeon Acipenser baerii Brandt 1869 Volume 2 Farming written by Patrick Williot and published by Springer. This book was released on 2018-04-09 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Siberian sturgeon, Acipenser baerii Brandt 1869 is the most widely farmed sturgeon species. Continuing from Volume 1, which focuses on the biology of the species, the present Volume 2 in turn examines farming aspects. It is divided into six parts, the first of which deals with reproduction and early ontogenesis, i.e. reproductive cycles, controlled reproduction, sperm cryoconservation, and weaning of larvae. The second covers the growing phase with a focus on food and feeding (management, fish meal replacement, potential endocrine disruptions, usefulness of prebiotics and immunostimulants, and nitrogen excretion). Production-related data are the focus of the third part and include: characteristics (countries, structures of production, evolution in production, economic features) of the gross production of the species (meat and caviar) worldwide, a method for assessing the quality of caviars, off-flavors management, and an example of production of fingerlings for restocking. Part four addresses selected long-term management issues: genetic variability of brood stocks, genome manipulation and sex control, and the advantages of hybrids. The next three chapters constitute the fifth part, which is devoted to health status (immunology and welfare). In closing, the absence of ecological risks of introducing the species in non-native waters is shown using two long-term documented examples (Russia and France). Three methodological chapters round out the volume, covering: in vitro incubation of ovarian follicles, a richly illustrated library of echographies and photos, and a detailed presentation of oxygen demand studies.
Download or read book Advances in Hormone Replacement Therapy Research and Application 2012 Edition written by and published by ScholarlyEditions. This book was released on 2012-12-26 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Hormone Replacement Therapy Research and Application / 2012 Edition is a ScholarlyBrief™ that delivers timely, authoritative, comprehensive, and specialized information about Hormone Replacement Therapy in a concise format. The editors have built Advances in Hormone Replacement Therapy Research and Application / 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Hormone Replacement Therapy in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Advances in Hormone Replacement Therapy Research and Application / 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Download or read book Sturgeons and Paddlefish of North America written by G.T.O LeBreton and published by Springer Science & Business Media. This book was released on 2006-01-20 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern North American sturgeons and paddlefish are the result of 100 million years of evolution. Once an integral part of aboriginal culture, their numbers were decimated by overfishing and habitat destruction during the past two centuries. This book details the extensive science aimed at helping these remarkable species recover from the brink of extinction, and describes the historical, biological, and ecological importance of North American sturgeon and paddlefish. The text is enhanced by photographs and detailed line drawings. This comprehensive volume will be an invaluable resource for researchers, educators, and consultants, in academic and government settings, who work to further scientific understanding of these fishes. No other single compilation has documented current information in such detail.
Download or read book The Effect of Substrate Rearing on the Growth Development and Survival of Larval White Sturgeon Acipenser Transmontanus During Early Ontogeny written by Marcus A. Boucher and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: White sturgeon, Acipenser transmontanus, were reared in the presence (gravel) or absence (bare) of substrate at either 13.5 or 17.5°C during the yolk sac phase. Fish reared in gravel were transferred to bare tanks at emergence from substrate and reared to 46 days post hatch (dph). At any given dph or Accumulated Thermal Unit (ATU), the fish reared in gravel were significantly larger and survival was higher than those reared without substrate at both temperatures (T). Cumulative survival was lower at high T and was 20% greater in gravel-reared larvae in both T. Yolk absorption rate did not vary between bare and gravel, but was significantly greater at high T. Yolk absorption efficiency was greatest in gravel-reared fish, but did not vary with T. Liver histology indicated that fish reared in gravel had significantly greater quantity of lipid during the yolk sac phase. In a second experiment, yolk sac larvae were reared in the presence (gravel or bio-spheres) or absence (bare) of substrate at 13.5°C and respirometry used to measure both routine and maximum metabolic rate for assessing metabolic scope. Larvae reared in gravel had significantly greater metabolic scope, and whole body glycogen was significantly greater in larvae reared in both substrates at 8 dph indicating that substrate rearing may provide a greater capacity of growth and development at a time of intense organogenesis. Histological analysis of the liver showed greater lipid and glycogen in larvae reared in substrate. These findings suggest that larvae reared without substrate may divert more of their energy to non-growth related processes, such as swimming activity, which was observed but not quantified. Thus, larvae reared without substrate may be at a significant physiological disadvantage, leaving less energy for growth and development. --P. i.
Download or read book Genetic Improvement of Aquaculture and Wildlife Management written by Daphne Anne Gille and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetic data have the ability to transform traditional aquaculture and wildlife management practices making both more efficient and effective. Here, analyses of microsatellite markers were employed to answer three applied questions of vital importance to sustainable white sturgeon (Acipenser transmontanus) caviar farming and the management of bighorn sheep (Ovis canadensis) in Arizona. In the first chapter, we examined whether the phenomenon of spontaneous autopolyploidy in cultured white sturgeon was maternal or paternal in origin. Flow cytometry identified spontaneous autopolyploids among multiple full-sibling families at two caviar farms. The sires and dams of each family and all progeny were genotyped at 12 microsatellite loci. The transfer of unique maternal alleles from broodstock to offspring was greater than that of unique paternal alleles in spontaneous autopolyploid white sturgeon suggesting that spontaneous autopolyploidy originates as a result of abnormalities in maternal meiosis. Knowledge of the source of spontaneous autopolyploidy will allow caviar farmers to make informed decisions regarding the management of fish with elevated genome size and whether to exclude these individuals from their cultured stock. In the second chapter, we investigated the association between highly variable roe yield and the proliferation of adipose tissue in the ovaries of culture white sturgeon. Caviar farmers frequently observe that sturgeon with lean ovaries tend to produce a greater yield of superior quality caviar compared to those with large amounts of ovarian adipose tissue. A feeding trial was performed to assess the impact of diet on ovarian adiposity and caviar yield in 7- and 8-year-old white sturgeon reared at two farms in California. On a subset of these same fish, the significance of the fixed effects of age at maturity, farm, diet, tank, and genotype on ovarian adiposity and caviar yield was tested and narrow-sense heritability was calculated. Sturgeon fed a low energy finishing diet had substantially less ovarian fat and a greater roe yield than those reared on a high energy finishing diet indicating that sturgeon farmers should first rear juvenile sturgeon on a high energy diet to obtain maximal body growth but then switch to a low energy finishing diet before harvest. Such a strategy would minimize the proliferation of ovarian adipose tissue and maximize caviar yield. Farm, diet, tank, and age all had large effects on ovarian adiposity and caviar yield in sub-sampled fish (P
Download or read book The Effect of Temperature and Diet on the Reproduction and Growth of the White Sturgeon Acipenser Transmontanus written by Michael Jonas Klein and published by . This book was released on 1991 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of Substrate Rearing on the Growth Development and Survival of Larval White Sturgeon Acipenser Transmontanua During Early Ontogeny written by Marcus A. Boucher and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "White sturgeon, Acipenser transmontanus, were reared in the presence (gravel) or absence (bare) of substrate at either 13.5 or 17.5°C during the yolk sac phase. Fish reared in gravel were transferred to bare tanks at emergence from substrate and reared to 46 days post hatch (dph). At any given dph or Accumulated Thermal Unit (ATU), the fish reared in gravel were significantly larger and survival was higher than those reared without substrate at both temperatures (T). Cumulative survival was lower at high T and was 20% greater in gravel-reared larvae in both T. Yolk absorption rate did not vary between bare and gravel, but was significantly greater at high T. Yolk absorption efficiency was greatest in gravel-reared fish, but did not vary with T. Liver histology indicated that fish reared in gravel had significantly greater quantity of lipid during the yolk sac phase. In a second experiment, yolk sac larvae were reared in the presence (gravel or bio-spheres) or absence (bare) of substrate at 13.5°C and respirometry used to measure both routine and maximum metabolic rate for assessing metabolic scope. Larvae reared in gravel had significantly greater metabolic scope, and whole body glycogen was significantly greater in larvae reared in both substrates at 8 dph; indicating that substrate rearing may provide a greater capacity of growth and development at a time of intense organogenesis. Histological analysis of the liver showed greater lipid and glycogen in larvae reared in substrate. These findings suggest that larvae reared without substrate may divert more of their energy to non-growth related processes, such as swimming activity, which was observed but not quantified. Thus, larvae reared without substrate may be at a significant physiological disadvantage, leaving less energy for growth and development."--P. i.
Download or read book Stress Response and Implications for White Sturgeon Acipenser Transmontanus Cultivation written by Beata Vixie and published by . This book was released on 2011 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mucosal Health in Aquaculture written by Benjamin H. Beck and published by Academic Press. This book was released on 2015-02-17 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mucosal Health in Aquaculture is an essential reference on mucosal health for the diverse aquaculture community. Rich in explanatory figures and schematics, the book includes important concepts such as structural and cellular composition of mucosal surfaces in fish and shellfish, known functional roles of molecular and cellular actors during pathogen invasion, impacts of nutrition on the mucosal barriers, impacts of chemical treatments on mucosal surfaces, mucosal vaccines and vaccination strategies, and more. The health of cultured aquaculture species is critical in establishing the sustainable growth of the aquaculture industry worldwide, and mucosal health is of particular interest to those working in aquaculture because mucosal surfaces (skin, gill, intestine, reproductive tissues) constitute the first line of defense against pathogen invasion. Mucosal Health in Aquaculture captures the latest research on mucosal barriers in aquaculture species and their impacts on nutrition and immunity to ensure sustainable aquaculture development. Includes research case studies to exhibit the importance of various integrated approaches to mucosal health Examines the latest scientific methods and technologies to maximize efficiencies for healthy fish production for farming Brings together the latest knowledge and research on mucosal barriers and mechanisms from world-wide experts in mucosal health Utilizes detailed diagrams and figures to enhance comprehension
Download or read book Aquaculture and Conservation of Inland Coldwater Fishes written by Debajit Sarma and published by Springer Nature. This book was released on with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sex Control in Aquaculture written by Hanping Wang and published by John Wiley & Sons. This book was released on 2018-11-08 with total page 1810 pages. Available in PDF, EPUB and Kindle. Book excerpt: Awarded Bookauthority's "Best Aquaculture Books of all Time" A comprehensive resource that covers all the aspects of sex control in aquaculture written by internationally-acclaimed scientists Comprehensive in scope, Sex Control in Aquaculture first explains the concepts and rationale for sex control in aquaculture, which serves different purposes. The most important are: to produce monosex stocks to rear only the fastest-growing sex in some species, to prevent precocious or uncontrolled reproduction in other species and to aid in broodstock management. The application of sex ratio manipulation for population control and invasive species management is also included. Next, this book provides detailed and updated information on the underlying genetic, epigenetic, endocrine and environmental mechanisms responsible for the establishment of the sexes, and explains chromosome set manipulation techniques, hybridization and the latest gene knockout approaches. Furthermore, the book offers detailed protocols and key summarizing information on how sex control is practiced worldwide in 35 major aquaculture species or groups, including fish and crustaceans, and puts the focus on its application in the aquaculture industry. With contributions from an international panel of leading scientists, Sex Control in Aquaculture will appeal to a large audience: aquaculture/fisheries professionals and students, scientists or biologists working with basic aspects of fish/shrimp biology, growth and reproductive endocrinology, genetics, molecular biology, evolutionary biology, and R&D managers and administrators. This text explores sex control technologies and monosex production of commercially-farmed fish and crustacean species that are highly in demand for aquaculture, to improve feed utilization efficiency, reduce energy consumption for reproduction and eliminate a series of problems caused by mixed sex rearing. Thus, this book: Contains contributions from an international panel of leading scientists and professionals in the field Provides comprehensive coverage of both established and new technologies to control sex ratios that are becoming more necessary to increase productivity in aquaculture Includes detailed coverage of the most effective sex control techniques used in the world's most important commercially-farmed species Sex Control in Aquaculture is the comprehensive resource for understanding the biological rationale, scientific principles and real-world practices in this exciting and expanding field.
Download or read book Current and Future Reproductive Technologies and World Food Production written by G. Cliff Lamb and published by Springer Science & Business Media. This book was released on 2013-10-29 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the impacts of current and future reproductive technologies on our world food production and provides a significant contribution to the importance of research in the area of reproductive physiology that has never been compiled before. It would provide a unique opportunity to separate the impacts of how reproductive technologies have affected different species and their contributions to food production. Lastly, no publication has been compiled that demonstrates the relationship between developments in reproductive management tools and food production that may be used a reference for scientists in addressing future research areas. During the past 50 years assisted reproductive technologies have been developed and refined to increase the number and quality of offspring from genetically superior farm animal livestock species. Artificial insemination (AI), estrous synchronization and fixed-time AI, semen and embryo cryopreservation, multiple ovulation and embryo transfer (MOET), in vitro fertilization, sex determination of sperm or embryos, and nuclear transfer are technologies that are used to enhance the production efficiency of livestock species.
Download or read book Guidance for CITES Scientific Authorities written by and published by IUCN. This book was released on 2002 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Use of and trade in wildlife is a fact of life for human society around the globe. Article IV of the CITES Convention requires that exporting countries restrict trade in Appendix II species to levels that are not detrimental either to species? survival, or to their role within the ecosystems in which they occur (known as the ?non-detriment finding?). Based on two workshops convened by IUCN to develop some pragmatic assistance for Scientific Authorities, this publication presents the background to the development of the non-detriment finding checklist and explains how the checklist itself is designed to work, in the hope that Scientific Authority staff will take and develop the parts of the approach that they find useful.
Download or read book Sturgeon Fishes written by Tatiana A. Dettlaff and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the first comprehensive description of development of the Acipenserid fish published in the English language. It con tains the results of more than 40 years of studies by the authors and their colleagues. My own life in science has been intimately related both with the authors and the fish, which are the subject of this book. Therefore, it gives me a great pleasure to present to the English reader an expanded version of the book. Those interested in the history of biology must be well aware of the fact that genetics in the USSR was practically demolished by Lysenko at the session of the Lenin All-Union Academy of Agricultural Sciences in 1948. However, it is much less well known that other fundamental branches of biology were also persecuted at that time, experimental embryology (developmental mechanics) among them. As a result, many embryologists, in cluding the authors of this book, were forced to turn to more ap plied problems, this being the only way to continue research. They had to abandon amphibians and concentrate their efforts on sturgeon.
Download or read book Migratory Fishes of South America written by Joachim Carolsfeld and published by IDRC. This book was released on 2003 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrindex written by and published by . This book was released on 1995 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt:
